坂口 慶祐

連絡先

〒980-8579 宮城県仙台市青葉区荒巻字青葉6-6-05
東北大学工学研究科 電子情報システム 応物系1号館6階
URL: https://keisuke-sakaguchi.github.io/about_jp
Email: keisuke.sakaguchi@tohoku.ac.jp
GitHub: https://github.com/keisks
Researchmap: https://researchmap.jp/sakaguchi-keisuke

職歴

理化学研究所 革新知能統合研究センター 09/2022 -- 現在
客員研究員
東北大学 07/2022 -- 現在
准教授
Allen Institute for AI (AI2) 08/2018 -- 06/2022
リサーチサイエンティスト
IBM T. J. Watson Research Center 05/2017 -- 08/2017
リサーチインターン
Educational Testing Service (ETS) 05/2014 -- 08/2014
リサーチインターン
奈良先端科学技術大学院大学 04/2013 -- 08/2013
日本学術振興会特別研究員 (DC1)
Microsoft Research Asia 08/2012 -- 11/2012
リサーチインターン
ヤフー ジャパン 08/2011 -- 09/2011
リサーチインターン
日本IBMシステムズエンジニアリング 04/2008 -- 03/2011
IT エンジニア
理化学研究所 脳科学総合研究センター 12/2006 -- 03/2008
テクニカルアシスタント

学歴

Johns Hopkins University 08/2013 -- 08/2018
Ph.D. in Computer Science
指導教員: Porf. Benjamin Van Durme, Matt Post
奈良先端科学技術大学院大学 04/2011 -- 03/2013
工学修士（情報科学）
指導教員: 松本裕治 教授, 小町守 助教
University of Essex 10/2005 -- 09/2006
M.A. in Psycholinguistics and Neurolinguistics
指導教員: Prof. Harald Clahsen
早稲田大学 第一文学部 4/2001 -- 03/2005
文学学士（哲学）
指導教員: 佐藤真理人 教授

受賞・表彰

Best Paper Award at AACL-IJCNLP Student Research Workshop 2022
言語処理学会年次大会　優秀賞 2022
AAAI Outstanding Paper (Single Best Paper) Award 2020
NLP若手の会 奨励賞 2019
ACL Outstanding Paper Award 2017
言語処理学会　論文賞 2017
奈良先端科学技術大学院大学優秀学生 2013
University of Essex: graduate with distinction in Psycho(&Neuro)linguistics 2006

学会活動

Area Chair:

ACL 2023 (area: Semantics: Sentence-level Semantics, Textual Inference, and Other Areas), EACL 2023 (area: Language Resource and Evaluation), EMNLP 2022 (area: NLP Applications), StarSEM 2022 (area: Commonsense reasoning and natural language understanding)

Reviewer (Journals):

Transactions of the Association for Computational Linguistics (TACL) 2019,2021,2022,2023 Computational Linguistics 2018.

Reviewer (Conferences):

ACL Rolling Review (ARR) 2021, 2022, 2023. Annual Meeting of the Association for Computational Linguistics (ACL) 2018, 2019, 2020, 2021. Annual Meeting of the North American Chapter of the ACL (NAACL) 2018, 2019, 2021, 2022. Conference on Empirical Methods on Natural Language Processing (EMNLP) 2015, 2016, 2017, 2018, 2019, 2020, 2021. AAAI Conference on Artificial Intelligence 2020, 2021. International Joint Conferences on Artificial Intelligence (IJCAI) 2019, 2020, 2021. Conference on Computational Natural Language Learning (CoNLL) 2019, 2020. Conference of the European Chapter of the Association for Computational Linguistics (EACL) 2021, Asia-Pacific Chapter of the Association for Computational Linguistics (AACL) 2020. International Joint Conference on Natural Language Processin (IJCNLP) 2017. International Conference on Computational Linguistics (COLING) 2014, 2016, 2018, 2020. International Conference on Spoken Language Translation (IWSLT) 2020.

Reviewer (Workshops):

Methods for Optimizing and Evaluating Neural Language Generation (NeuralGen) 2019. Workshop on Innovative Use of NLP for Building Educational Applications (BEA) 2014, 2015, 2016, 2017, 2019, 2020. Workshop on Noisy User-generated Text (W-NUT) 2018, 2019 2020.


招待講演

Large Language Models: What will happen next? 01/23/2023
産業技術総合研究所 人工知能研究センター，東京
Large Language Models: What will happen next? 10/25/2022
2022 BrainLink X-Lab Day, 韓国科学技術団体総連合会, 韓国
Large Language Models: What will happen next? 09/27/2022
産業技術総合研究所 人工知能研究センター，東京
Large Language Models: What will happen next? 08/23/2022
東京大学　松尾研究室，東京
Robust Text Correction for Grammar and Fluency 09/27/2018
Microsoft Research, Redmond, WA
Robust Text Correction for Grammar and Fluency 03/30/2018
Allen Institute for Artificial Intelligence, Seattle, WA
Grammatical Error Correction with Neural Reinforcement Learning 02/22/2018
Grammarly Research, Online
Robust Text Correction for Grammar and Fluency 02/09/2018
Amazon Research, Boston, MA
文法および流暢性を考慮した頑健なテキスト誤り訂正 12/14/2017
千葉工業大学ステアラボ人工知能セミナー, 東京
Robust Natural Language Processing 12/12/2017
NTTコミュニケーション科学研究所, 京都
Robust Natural Language Processing 12/08/2017
東北大学　乾・岡崎研究室, 仙台
Robust Natural Language Processing 12/05/2017
首都大学東京　小町研究室, 東京
Evaluating SMT evaluation 11/27/2013
Rakuten Institute of Technology, NY

国際論文誌（査読あり）

  1. WinoGrande: An Adversarial Winograd Schema Challenge at Scale
    Keisuke Sakaguchi, Ronan Le Bras, Chandra Bhagavatula, and Yejin Choi
    Commun. ACM Aug 2021
  2. Reassessing the Goals of Grammatical Error Correction: Fluency Instead of Grammaticality
    Keisuke Sakaguchi, Courtney Napoles, Matt Post, and Joel Tetreault
    Transactions of the Association for Computational Linguistics 2016

国際会議（査読あり）

  1. Do Deep Neural Networks Capture Compositionality in Arithmetic Reasoning?
    Keito Kudo, Yoichi Aoki, Tatsuki Kuribayashi, Ana Brassard, Masashi Yoshikawa, Keisuke Sakaguchi, and Kentaro Inui
    Proceedings of the 2023 Conference of the European Chapter of the Association for Computational Linguistics (to appear) 2023
  2. Empirical Investigation of Neural Symbolic Reasoning Strategies
    Yoichi Aoki, Keito Kudo, Tatsuki Kuribayashi, Ana Brassard, Masashi Yoshikawa, Keisuke Sakaguchi, and Kentaro Inui
    Findings of the Association for Computational Linguistics: EACL 2023 (to appear) 2023
    :trophy: Best Paper Award at AACL-IJCNLP 2022 Student Research Workshop
  3. Twist Decoding: Diverse Generators Guide Each Other
    Jungo Kasai, Keisuke Sakaguchi, Ronan Le Bras, Hao Peng, Ximing Lu, Dragomir Radev, Yejin Choi, and Noah A. Smith
    Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing (EMNLP) Dec 2022
  4. Bidimensional Leaderboards: Generate and Evaluate Language Hand in Hand
    Jungo Kasai, Keisuke Sakaguchi, Ronan Le Bras, Lavinia Dunagan, Jacob Morrison, Alexander R. Fabbri, Yejin Choi, and Noah A. Smith
    Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Jul 2022
  5. Transparent Human Evaluation for Image Captioning
    Jungo Kasai, Keisuke Sakaguchi, Lavinia Dunagan, Jacob Morrison, Ronan Le Bras, Yejin Choi, and Noah A. Smith
    Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Jul 2022
  6. proScript: Partially Ordered Scripts Generation
    Keisuke Sakaguchi, Chandra Bhagavatula, Ronan Le Bras, Niket Tandon, Peter Clark, and Yejin Choi
    Findings of the Association for Computational Linguistics: EMNLP 2021 Nov 2021
  7. COMET-ATOMIC 2020: On Symbolic and Neural Commonsense Knowledge Graphs
    Jena D. Hwang, Chandra Bhagavatula, Ronan Le Bras, Jeff Da, Keisuke Sakaguchi, Antoine Bosselut, and Yejin Choi
    Proceedings of the AAAI Conference on Artificial Intelligence May 2021
  8. A Dataset for Tracking Entities in Open Domain Procedural Text
    Niket Tandon, Keisuke Sakaguchi, Bhavana Dalvi, Dheeraj Rajagopal, Peter Clark, Michal Guerquin, Kyle Richardson, and Eduard Hovy
    Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Nov 2020
  9. Uncertain Natural Language Inference
    Tongfei Chen, Zhengping Jiang, Adam Poliak, Keisuke Sakaguchi, and Benjamin Van Durme
    Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Jul 2020
  10. The Universal Decompositional Semantics Dataset and Decomp Toolkit
    Aaron Steven White, Elias Stengel-Eskin, Siddharth Vashishtha, Venkata Subrahmanyan Govindarajan, Dee Ann Reisinger, Tim Vieira, Keisuke Sakaguchi, Sheng Zhang, Francis Ferraro, Rachel Rudinger, Kyle Rawlins, and Benjamin Van Durme
    Proceedings of the 12th Language Resources and Evaluation Conference May 2020
  11. Abductive Commonsense Reasoning
    Chandra Bhagavatula, Ronan Le Bras, Chaitanya Malaviya, Keisuke Sakaguchi, Ari Holtzman, Hannah Rashkin, Doug Downey, Wen-tau Yih, and Yejin Choi
    International Conference on Learning Representations 2020
  12. WinoGrande: An Adversarial Winograd Schema Challenge at Scale
    Keisuke Sakaguchi, Ronan Le Bras, Chandra Bhagavatula, and Yejin Choi
    Proceedings of the AAAI Conference on Artificial Intelligence Apr 2020
    :trophy: Outstanding Paper Award (Single Best Paper)
  13. WIQA: A dataset for “What if...” reasoning over procedural text
    Niket Tandon, Bhavana Dalvi, Keisuke Sakaguchi, Peter Clark, and Antoine Bosselut
    Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) Nov 2019
  14. Efficient Online Scalar Annotation with Bounded Support
    Keisuke Sakaguchi, and Benjamin Van Durme
    Proceedings of the 56th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Jul 2018
  15. Grammatical Error Correction with Neural Reinforcement Learning
    Keisuke Sakaguchi, Matt Post, and Benjamin Van Durme
    Proceedings of the Eighth International Joint Conference on Natural Language Processing (Volume 2: Short Papers) Nov 2017
  16. Error-repair Dependency Parsing for Ungrammatical Texts
    Keisuke Sakaguchi, Matt Post, and Benjamin Van Durme
    Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Jul 2017
    :trophy: Outstanding Paper Award (1.5% of the submissions)
  17. JFLEG: A Fluency Corpus and Benchmark for Grammatical Error Correction
    Courtney Napoles, Keisuke Sakaguchi, and Joel Tetreault
    Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics: Volume 2, Short Papers Apr 2017
  18. Robsut Wrod Reocginiton via Semi-Character Recurrent Neural Network
    Keisuke Sakaguchi, Kevin Duh, Matt Post, and Benjamin Van Durme
    Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence 2017
  19. Universal Decompositional Semantics on Universal Dependencies
    Aaron Steven White, Drew Reisinger, Keisuke Sakaguchi, Tim Vieira, Sheng Zhang, Rachel Rudinger, Kyle Rawlins, and Benjamin Van Durme
    Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing Nov 2016
  20. There’s No Comparison: Reference-less Evaluation Metrics in Grammatical Error Correction
    Courtney Napoles, Keisuke Sakaguchi, and Joel Tetreault
    Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing Nov 2016
  21. Phrase Structure Annotation and Parsing for Learner English
    Ryo Nagata, and Keisuke Sakaguchi
    Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Aug 2016
  22. Ground Truth for Grammatical Error Correction Metrics
    Courtney Napoles, Keisuke Sakaguchi, Matt Post, and Joel Tetreault
    Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 2: Short Papers) Jul 2015
  23. Effective Feature Integration for Automated Short Answer Scoring
    Keisuke Sakaguchi, Michael Heilman, and Nitin Madnani
    Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies May 2015
  24. Discriminative Approach to Fill-in-the-Blank Quiz Generation for Language Learners
    Keisuke Sakaguchi, Yuki Arase, and Mamoru Komachi
    Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Aug 2013
  25. Joint English Spelling Error Correction and POS Tagging for Language Learners Writing
    Keisuke Sakaguchi, Tomoya Mizumoto, Mamoru Komachi, and Yuji Matsumoto
    Proceedings of COLING 2012 Dec 2012

国際ワークショップ（査読あり）

  1. Interscript: A dataset for interactive learning of scripts through error feedback
    Niket Tandon, Aman Madaan, Peter Clark, Keisuke Sakaguchi, and Yiming Yang
    The AAAI-22 Workshop on Interactive Machine Learning 2022
  2. GEC into the future: Where are we going and how do we get there?
    Keisuke Sakaguchi, Courtney Napoles, and Joel Tetreault
    Proceedings of the 12th Workshop on Innovative Use of NLP for Building Educational Applications Sep 2017
  3. Efficient Elicitation of Annotations for Human Evaluation of Machine Translation
    Keisuke Sakaguchi, Matt Post, and Benjamin Van Durme
    Proceedings of the Ninth Workshop on Statistical Machine Translation Jun 2014
  4. Construction of English MWE Dictionary and its Application to POS Tagging
    Yutaro Shigeto, Ai Azuma, Sorami Hisamoto, Shuhei Kondo, Tomoya Kose, Keisuke Sakaguchi, Akifumi Yoshimoto, Frances Yung, and Yuji Matsumoto
    Proceedings of the 9th Workshop on Multiword Expressions Jun 2013

国際ワークショップ（査読なし）

  1. NAIST at 2013 CoNLL Grammatical Error Correction Shared Task
    Ippei Yoshimoto, Tomoya Kose, Kensuke Mitsuzawa, Keisuke Sakaguchi, Tomoya Mizumoto, Yuta Hayashibe, Mamoru Komachi, and Yuji Matsumoto
    Proceedings of the Seventeenth Conference on Computational Natural Language Learning: Shared Task Aug 2013
  2. NAIST at the NLI 2013 Shared Task
    Tomoya Mizumoto, Yuta Hayashibe, Keisuke Sakaguchi, Mamoru Komachi, and Yuji Matsumoto
    Proceedings of the Eighth Workshop on Innovative Use of NLP for Building Educational Applications Jun 2013
  3. NAIST at the HOO 2012 Shared Task
    Keisuke Sakaguchi, Yuta Hayashibe, Shuhei Kondo, Lis Kanashiro, Tomoya Mizumoto, Mamoru Komachi, and Yuji Matsumoto
    Proceedings of the Seventh Workshop on Building Educational Applications Using NLP Jun 2012

プレプリント

  1. Evaluating GPT-4 and ChatGPT on Japanese Medical Licensing Examinations
    Jungo Kasai, Yuhei Kasai, Keisuke Sakaguchi, Yutaro Yamada, and Dragomir Radev
    arXiv 2023
  2. An Analysis of GPT-3’s Performance in Grammatical Error Correction
    Steven Coyne, and Keisuke Sakaguchi
    arXiv 2023
  3. Causal schema induction for knowledge discovery
    Michael Regan, Jena D. Hwang, Keisuke Sakaguchi, and James Pustejovsky
    arXiv 2023
  4. I2D2: Inductive Knowledge Distillation with NeuroLogic and Self-Imitation
    Chandra Bhagavatula, Jena D Hwang, Doug Downey, Ronan Le Bras, Ximing Lu, Keisuke Sakaguchi, Swabha Swayamdipta, Peter West, and Yejin Choi
    arXiv 2022
  5. RealTime QA: What’s the Answer Right Now?
    Jungo Kasai, Keisuke Sakaguchi, Yoichi Takahashi, Ronan Le Bras, Akari Asai, Xinyan Yu, Dragomir Radev, Noah A. Smith, Yejin Choi, and Kentaro Inui
    arXiv 2022
  6. Can Machines Learn Morality? The Delphi Experiment
    Liwei Jiang, Jena D. Hwang, Chandra Bhagavatula, Ronan Le Bras, Jenny Liang, Jesse Dodge, Keisuke Sakaguchi, Maxwell Forbes, Jon Borchardt, Saadia Gabriel, Yulia Tsvetkov, Oren Etzioni, Maarten Sap, Regina Rini, and Yejin Choi
    arXiv 2022
  7. Towards Automated Document Revision: Grammatical Error Correction, Fluency Edits, and Beyond
    Masato Mita, Keisuke Sakaguchi, Masato Hagiwara, Tomoya Mizumoto, Jun Suzuki, and Kentaro Inui
    arXiv 2022
  8. ELQA: A Corpus of Questions and Answers about the English Language
    Shabnam Behzad, Keisuke Sakaguchi, Nathan Schneider, and Amir Zeldes
    arXiv 2022
  9. Beam Decoding with Controlled Patience
    Jungo Kasai, Keisuke Sakaguchi, Ronan Le Bras, Dragomir Radev, Yejin Choi, and Noah A. Smith
    arXiv 2022
  10. Improving Neural Model Performance through Natural Language Feedback on Their Explanations
    Aman Madaan, Niket Tandon, Dheeraj Rajagopal, Yiming Yang, Peter Clark, Keisuke Sakaguchi, and Eduard H. Hovy
    arXiv 2021
  11. GrammarTagger: A Multilingual, Minimally-Supervised Grammar Profiler for Language Education
    Masato Hagiwara, Joshua Tanner, and Keisuke Sakaguchi
    arXiv 2021
  12. GLEU Without Tuning
    Courtney Napoles, Keisuke Sakaguchi, Matt Post, and Joel R. Tetreault
    arXiv 2016

国内論文誌（査読あり）

  1. Phrase Structure Annotation and Parsing for Learner English
    Keisuke Sakaguchi, and Ryo Nagata
    自然言語処理 2017年 6月
    :trophy: 言語処理学会 2017年度論文賞

国内研究会・全国大会・シンポジウム等（査読なし）

  1. 論述リビジョンのためのメタ評価基盤
    三田 雅人, 坂口 慶祐, 萩原 正人, 水本 智也, 鈴木 潤, 乾 健太郎
    言語処理学会第28回年次大会論文集 2022年 3月
    :trophy: 言語処理学会年次大会 優秀賞
  2. 文法誤り訂正を拡張した新タスクの提案
    三田 雅人, 萩原 正人, 坂口 慶祐, 水本 智也, 鈴木 潤, 乾 健太郎
    NLP若手の会 第14回シンポジウム 2021年 8月
    :trophy: 奨励賞
  3. 論述リライトタスクの提案と自動評価の実現に向けて
    三田 雅人, 萩原 正人, 坂口 慶祐, 水本 智也, 鈴木 潤, 乾 健太郎
    言語処理学会第27回年次大会 ワークショップ「文章の評価と品質推定」 2021年 3月
  4. 英作文誤り訂正における複数の手法の利用に関する考察
    水本 智也, 林部 祐太, 坂口 慶祐, 小町 守, 松本 裕治
    情報処理学会第208回自然言語処理研究会 2012年 9月
  5. 英語スペリング訂正と品詞タグ付けの結合学習
    坂口 慶祐, 水本 智也, 小町 守, 松本 裕治
    情報処理学会第206回自然言語処理研究会 2012年 5月
  6. オークション検索クリックスルーログからの属性値抽出
    水本 智也, 坂口 慶祐, 小町 守, 内海 慶, 河野 洋志, 前澤 敏之, 佐藤 敏紀
    言語処理学会第18回年次大会論文集 2011年 3月